题目内容
解方程.
(1)x-
x=
(2)
=40%.
(1)x-
| 2 |
| 3 |
| 1 |
| 5 |
(2)
| x |
| 6 |
(1)x-
x=
,
x=
,
x÷
=
÷
,
x=0.6;
(2)
=40%,
×6=40%×6,
x=2.4.
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 3 |
x=0.6;
(2)
| x |
| 6 |
| x |
| 6 |
x=2.4.
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